Yoga, one of major Indian ancient knowledge, can save you from vast number of diseases after and before you get un-healthy. A very small time (15 to 45 minutes a day) devoted to yoga may change your life. Basically Yoga was never designed for health benefits. The only aim of ancient Yogis (Sages) was to achieve God. To achieve God they were to meditate, so they discovered best practices of Smadhi or deep meditation. For better concentration they designed various Pranayama. To keep themselves fit to meditate they also discovered yoga postures or Asanas. Their aim was to purify the body and soul. In present scenario, yoga has a great influence on physical health and mind. Try a few Asana and Pranayama and see how pleasant the world is!